Friday

"Those early experiences are very powerful and can be very determinative that you end up developing an image of yourself, and image of what your strengths are, an image of your weaknesses, an image of the ways in which the world is going to limit you." — Andrew Solomon iStock hide caption

itoggle caption iStock

Friday

"I think there's something natural to us about physical competition. It's such a direct and pure way to measure achievement" — David Epstein iStockphoto hide caption

itoggle caption iStockphoto